Q1. Choose the correct option.
Q2. Write down short answers of following questions.
Q3. Write detailed answers of the following questions. (Answer any 2) (2×5=10)
1. Matter vs Antimatter
What is the difference between matter and antimatter? Discuss reasons why our universe is almost entirely composed of matter.
2. Pair Annihilation
Explain the phenomenon of pair annihilation with an example. Explain the utility of its principle in the medical field.
3. Elementary Particles
Describe the classification of elementary particles.